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- since 1996 -

Zawada NDT
Suppliers of instruments to test steel wire ropes in-situ, using magnetic, non-destructive method.

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Technical Discussions
James JOE
James JOE
02:52 Jan-18-2003
Detect porosity of Hot Stove

Would you please let us know how to solve this problem?
Our user would like to check inner porosity in Hot Stove Ceramic Burner as belows.
[sensor] here, contact or not
=================================
12mm steel (approx. 200'C)
--------------------------
50mm castable
-------------------------- <-- here porosity
65mm fireproof block
--------------------------
65mm fireproof block
--------------------------
200mm fireproof block
=================================
1250'C hot wind ----> go through

best regards

James JOE

ndtland@hihome.com




    
 
 
S.V.Swamy
Engineering, - Material Testing Inspection & Quality Control
Retired from Nuclear Fuel Complex , India, Joined Feb 2001, 785

S.V.Swamy

Engineering, - Material Testing Inspection & Quality Control
Retired from Nuclear Fuel Complex ,
India,
Joined Feb 2001
785
06:28 Jan-18-2003
Re: Detect porosity of Hot Stove
Try thermography. The areas with pores will have a different temperature when you look at the steel skin. You could prepare a standard artificial standard containing pores and calibrate the equipment.

S.V.Swamy

: Would you please let us know how to solve this problem?
: Our user would like to check inner porosity in Hot Stove Ceramic Burner as belows.
: [sensor] here, contact or not
: =================================
: 12mm steel (approx. 200'C)
: --------------------------
: 50mm castable
: -------------------------- <-- here porosity
: 65mm fireproof block
: --------------------------
: 65mm fireproof block
: --------------------------
: 200mm fireproof block
: =================================
: 1250'C hot wind ----> go through
.
: best regards
.
: James JOE
.
: ndtland@hihome.com
.



    
 
 

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